Remove extraneous ruby- prefix
Save a Youtube hit

We were calling the API with a playlist id to get the id of the playlist
>_<
Use standard Rails coverage filters
Restore videos tab

The cucumber specs are running in ~10s on my machine (much of which is
Rails boot time). The youtube hit is a noticable lag, but it looks like
we shoud have caching around that in production as well.

As best I can tell, this is working; am I missing anything?
Merge branch 'jamesdabbs-master'